UNION, CITY OF

NPDES permit OR0029939 · Minor POTW · effective, expires 2028-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 37 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (51)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only Jun, Oct
001Temperature, water deg. centigradeMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Temperature, water deg. centigradeDAILY MX report only Jun, Oct
001Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Temperature, water deg. centigradeMO MAX report only Oct
001Temperature, water deg. centigradeMO MAX report only Jan, Feb, Mar, Apr, May, Jun, Nov, Dec
001Temperature, water deg. centigradeMX 7D AV report only Jun, Oct
001Temperature, water deg. centigradeMX 7D AV report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow rateMX DA AV report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 91 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 180 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 140 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001pHDAILY MN >= 6 SU Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001pHDAILY MX <= 9 SU Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001pHMO MIN report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001pHMO MAX report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001pHMO MAX report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Alkalinity, total [as CaCO3]MO MAX report only Jan, Mar, Apr, Nov
001Alkalinity, total [as CaCO3]MO MAX report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 91 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, total suspendedDAILY MX <= 180 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, total suspendedWKLY AVG <= 45 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, total suspendedWKLY AVG <= 140 lb/d Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO MAX report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO MAX report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX <= 0 MGD Jul, Aug, Sep
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only Jun
001Flow, in conduit or thru treatment plantDAILY MX report only Jun
001Flow, in conduit or thru treatment plantDAILY MX <= 0 MGD Jun
001Flow, in conduit or thru treatment plantMO AVG report only Oct
001Flow, in conduit or thru treatment plantDAILY MX report only Oct
001Flow, in conduit or thru treatment plantDAILY MX <= 0 MGD Oct
001Chlorine, total residualMO AVG <= .03 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Chlorine, total residualDAILY MX <= .07 mg/L Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001E. coliMO GEO <= 126 #/100mL Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001E. coliDAILY MX <= 406 #/100mL Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001E. coliMO GEO <= 126 #/100mL Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001E. coliDAILY MX report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Excess thermal loadMX 7D AV <= 3 mkcal/day Jun, Oct
001BOD, 5-day, percent removalMO AV MN >= 85 % Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec
001Chlorine usageMO AVG report only Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states